halcyon.com.sg

Nutrition Label

Resolution chain

halcyon.com.sg has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

No WHOIS records are currently associated with halcyon.com.sg in WhisperGraph.

Subdomains

70 observed subdomains of halcyon.com.sg.

Web-graph footprint

Distinct hostnames that link to or from halcyon.com.sg in the public web crawl.

6 sites link to this hostname.

740 sites linked to from this hostname.

Threat posture

History

Mail and authentication

Related pages

Pivot deeper into the graph from halcyon.com.sg.

• Apex domain · com.sg
• TLD · .sg
• Browse hostnames · ha…
• Glossary · What is a hostname?
• Whisper Internet Directory — home
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "halcyon.com.sg"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.